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Product Detailed Parameters
- Description：CMC 330MA 2LN 180 OHM SMD
- Series：WE-CNSW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：330mA
- DC Resistance (DCR) (Max)：350mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：Horizontal, 4 PC Pad
- Inductance @ Frequency：-
- Impedance @ Frequency：180 Ohms @ 100 MHz
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744231181 is a surface-mount common mode line filter from the WE-CNSW series, designed for high-frequency noise suppression. It features an inductance of 252 nH and provides 180 Ohms impedance at 100 MHz. The component supports a maximum DC current of 330 mA with a maximum DC resistance of 350 mOhms. Housed in a compact 0805 package measuring 2.0 mm x 1.2 mm x 1.2 mm, it operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.
Feature Summary
- Provides effective common mode noise attenuation at 100 MHz frequencies
- AEC-Q200 qualified for automotive reliability standards
- Compact 0805 footprint suitable for space-constrained PCB layouts
Applications
- Automotive data line filtering
- High-speed signal integrity protection
- Common mode noise suppression in electronic circuits
Procurement Notes
Verify the specific impedance value (180 Ohms) and current rating (330 mA) against your circuit requirements before ordering. Confirm the package dimensions match your PCB footprint. Ensure the supplier provides official datasheets to validate the AEC-Q200 status and operating temperature range specifications.
Selection Notes
Select this component when designing for high-frequency noise environments requiring low inductance and small physical size. The 0805 package offers a balance between performance and board space. Consider the 330 mA current limit and 350 mOhm DCR for power loss calculations in sensitive signal lines.
Part Context
This part belongs to the WE-CNSW series of SMD common mode chokes. It is manufactured by Würth Elektronik GmbH & Co. KG. The series is known for providing reliable noise suppression in compact form factors, suitable for modern electronics where space is limited and high-frequency performance is critical.
Replacement Considerations
Check for direct substitutes within the WE-CNSW series that offer similar impedance and current ratings. Verify package compatibility and electrical parameters such as inductance tolerance and operating temperature range before substituting.
